Best Communications Software for Callwise

Partner with the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. The Twilio SendGrid Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale, while maximizing inbox placement and protecting your reputation as a trusted sender. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.

GetResponse offers an all-in-one marketing platform designed to equip marketers, solopreneurs, creators, coaches, and small business owners with powerful, user-friendly tools for email marketing, automation, and content monetization. With more than 25 years of experience, GetResponse supports audience growth and engagement through email campaigns, enables seamless course creation and sales, and helps turn passion into profit. It’s the ideal choice for building personal brands, selling products and services, and creating loyal customer communities.

With Formstack, automate manual processes, deliver solutions quicker, and go from idea to workflow in minutes and save hours—all with clicks, not code. Combining a visual workflow automation builder with digital forms, document generation, and eSignature solutions, the Formstack Platform enables you to quickly create countless solutions to your workday pains and your customers’ digital expectations. Build for your immediate needs—from applications to proposals to onboarding—and scale to help meet your larger, org-wide digital initiatives. All with the Formstack Platform.

Zendesk helps you create exceptional customer experiences. Zendesk, a leading provider of software and solutions to improve customer relationships, empowers businesses to become more reliable, flexible, scalable, and adaptable. Zendesk's products include Support, an integrated customer service solution; Chat, chat, and messaging tool; Talk and call center software; Explore to analyze and report; Inbox, shared team mailbox; Guide, a knowledgebase and self-service solution; and Connect + Outbound to support proactive campaigns.